2003 GMC Sierra Ignition Parts
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Bosch®OE FineWire™ Platinum Spark PlugGMC Sierra 6.0L 2003, OE FineWire™ Platinum Spark Plug by Bosch®. Bosch Double Platinum Spark Plugs are engineered for up to 3X longer service life. Replace your worn out spark plugs with Bosch spark plugs and experience miles of...$4.40 - Champion®Double Platinum Power Spark PlugGMC Sierra 2003, Double Platinum Power Spark Plug by Champion®. With platinum fine wire welded onto the nickel alloy center electrode and a platinum pad welded to the ground electrode, these products provide long-lasting service life...$4.95
- Champion®Nickel Spark PlugGMC Sierra 2003, Nickel Spark Plug by Champion®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is sure to fit and function...Copper Plus - Dependable Performance.Copper core center electrode allows for accurate control of heat range for longer life$2.18 - $2.19
- United Motor Products®Ignition CoilGMC Sierra 2003, Ignition Coil by United Motor Products®. Keep your pride and joy operating as it should with this top-notch part from United Motors Products. It’s made using the finest materials and advanced manufacturing equipment...Excellent replacement for your worn out factory partWill help make your vehicle running as good as new$19.07 - $29.88
- Karlyn STI®Ignition CoilGMC Sierra 2003, Ignition Coil by Karlyn STI®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is sure to fit and function...Consistent high voltage output for optimum performanceState of the art epoxy injecting procedure eliminate air pockets$12.56
- Pertronix®Flame-Thrower Ignition Coil-Near-PlugsGMC Sierra 4.8L / 5.3L / 6.0L 2003, Flame-Thrower Ignition Coil-Near-Plugs by Pertronix®. Developed with leading technological advancements by PerTronix, this first-rate product will take the performance of your ignition system to a...Will boost the ignition system performance furtherUp-to-date design and premium-grade materials$385.95
- ACDelco®Fuel Injection Fuel DistributorGMC Sierra 4.3L 2003, Fuel Injection Fuel Distributor by ACDelco®. Fuel Injection Fuel Distributor. GM Genuine Parts Fuel Injection Fuel Distributors are designed, engineered, and tested to rigorous standards, and are backed by General...Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors$114.29
- ACDelco®GM Genuine Parts™ Distributor Cap BoltGMC Sierra 4.3L 2003, GM Genuine Parts™ Distributor Cap Bolt by ACDelco®. GM Genuine Parts Bolts are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts...Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors$1.38
- Standard®Ignition DistributorGMC Sierra 4.3L 2003, Ignition Distributor by Standard®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is sure to fit and...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$122.38
- Standard®TechSmart™ Ignition DistributorGMC Sierra 4.3L 2003, TechSmart™ Ignition Distributor by Standard®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is...Improved Gear Design for Enhanced Performance in High-Torque Applications100% New, Not Remanufactured, to Ensure Performance$106.52
- ACDelco®GM Original Equipment™ Spark Plug Wire SetGMC Sierra 2003, GM Original Equipment™ Spark Plug Wire Set by ACDelco®. Built to match the Original Equipment in length and fit, ACDelco Professional Ignition Wire Sets also offer a performance advantage over many aftermarket products.Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$64.59 - $88.43
- ACDelco®GM Original Equipment™ Ignition Knock SensorGMC Sierra 2003, GM Original Equipment™ Ignition Knock Sensor by ACDelco®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$33.85 - $65.88
- ACDelco®GM Genuine Parts™ Diesel Glow PlugGMC Sierra 6.6L 2003, GM Genuine Parts™ Diesel Glow Plug by ACDelco®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$22.14
- Dorman®OE Solutions™ Ignition Lock CylinderGMC Sierra 2003, OE Solutions™ Ignition Lock Cylinder by Dorman®. Dorman Ignition Lock Cylinders are part of the Ignition Lock Assembly. The purpose of the Ignition Lock Cylinder is to provide a level of security that requires a coded...Direct replacement and operationQuality tested to ensure a trouble-free installation and conformance to product standards$35.64
- TRQ®Ignition Lock CylinderGMC Sierra Automatic Transmission 2003, Ignition Lock Cylinder by TRQ®. Want to start your vehicle without issues? Go with this top-notch ignition lock cylinder to make your vehicle run like new. It is made from superior materials and...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$24.91$25.95Save $1.04 (4%)
- ACDelco®Professional™ Spark Plug Wire SetGMC Sierra 2003, Professional™ Spark Plug Wire Set by ACDelco®. Built to match the Original Equipment in length and fit, ACDelco Professional Ignition Wire Sets also offer a performance advantage over many aftermarket products.Wire conductor, wire length and diameter help provide maximum spark delivery and protectionSpark plug distributor boot shape and materials provide proper fit, installation and water-tight seal$59.40 - $65.79
- TRQ®Spark Plug Wire SetGMC Sierra 2003, Spark Plug Wire Set by TRQ®. Replace your malfunctioning spark plug wires with this new set to get superior firing and fuel savings. Engineered to meet the strict OEM specifications, the wires are the number one choice...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$49.87 - $67.85$51.95 - $69.95Save up to 4%
- Granatelli Motor Sports®MPG+™ Spark Plug Wire SetGMC Sierra 2003, MPG+™ Spark Plug Wire Set by Granatelli Motor Sports®. Get these top-notch spark plug wires to achieve maximum performance out of your ignition system. They are designed with precision and functionality in mind to...$156.28 - $192.85
- ACDelco®GM Original Equipment™ Ignition Lock CylinderGMC Sierra 2003, GM Original Equipment™ Ignition Lock Cylinder by ACDelco®. 4 Position Wingless Flat Face Knob. There is No Reverse Rotation to the Accessory Postion. If you want to restore the original performance of your vehicle's...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$45.69
- NGK®Spark Plug Wire SetGMC Sierra 2003, Spark Plug Wire Set by NGK®. NGK Wire Sets are built to meet stringent OEM tolerances for a variety of vehicles. They utilize a construction method known as "variable pitch" wire winding to create resistance to radio...Superior firing and fuel savingsOutstanding durability$54.08 - $63.34
- TRQ®Ignition Knock SensorGMC Sierra 2003, Ignition Knock Sensor by TRQ®. Don't wait and replace your faulty ignition knock (detonation) sensor that’s your first line of alert in the event of your engine is experiencing detonation problems. This cost-efficient...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$21.80 - $29.71$22.95 - $30.95Save up to 5%
- TRQ®Ignition Knock Sensor KitGMC Sierra 2003, Ignition Knock Sensor Kit by TRQ®. Don't wait and replace your faulty ignition knock (detonation) sensor that’s your first line of alert in the event of your engine is experiencing detonation problems. This...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$29.71 - $101.92$30.95 - $102.95Save up to 4%
- Denso®Spark Plug Wire SetGMC Sierra 2003, Spark Plug Wire Set by Denso®. Complete Ignition Wire Set. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$52.52 - $66.68
- Walker Products®Spark Plug Wire SetGMC Sierra 2003, Spark Plug Wire Set by Walker Products®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is sure to fit and...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$27.70 - $112.19
- WVE®Ignition Lock CylinderGMC Sierra Automatic Transmission 2003, Ignition Lock Cylinder by WVE®. 4 Position. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$43.96 - $44.02
- Standard®Spark Plug Wire SetGMC Sierra 2003, Spark Plug Wire Set by Standard®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is sure to fit and...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$26.38 - $103.45
- Delphi®Ignition Knock SensorGMC Sierra 2003, Ignition Knock Sensor by Delphi®. Manufactured to meet or exceed OE requirements. Delphi Knock Sensors help maximize engine performance with all fuels. Delphi Knock Sensors prevent engine damage from pre-ignition knocking.Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$31.94 - $51.28
- Dorman®OE Solutions™ Ignition Starter SwitchGMC Sierra 2003, OE Solutions™ Ignition Starter Switch by Dorman®. An essential replacement item, Dorman's Ignition Power Switch enables your engine to turn over upon startup, restoring drivability. It also unlocks the power...This part has undergone a rigorous quality inspection to ensure high qualityEasy to install$18.57
- Standard®Ignition Lock CylinderGMC Sierra 2003, Ignition Lock Cylinder by Standard®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is sure to fit and...Each ignition switch is a direct-fit replacement electrically operated switch that replaces damaged OE units restoring ignition functionEach ignition switch is tested to verify both mechanical and electrical switching performance$34.54 - $57.67
- ACDelco®GM Original Equipment™ Ignition Coil Lead WireGMC Sierra 2003, GM Original Equipment™ Ignition Coil Lead Wire by ACDelco®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications,...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$67.27 - $85.89
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